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Easy Oracle Automation
Chapter 6 - Automatic System Resource Management


In this chapter, the automatic system resource management features of Oracle Database 10g have been reviewed. Here are some of the important points:

  • The DBA can set the total amount of SGA memory available to an instance using the sga_target initialization parameter. The database will automatically distribute this memory among various sub-components for the most effective memory utilization.

  • sga_target is set to a non-zero value to enable ASMM.

  • Memory Manager (MMAN) is a background process that coordinates the sizing of the memory components and acts as a memory broker to track all memory components and pending resize operations.

  • The Memory Advisor which is accessible through OEM has three advisors that provide recommendations: Shared Pool in SGA, Buffer Cache in SGA, and PGA.

In Chapter 7, SQL tuning methods and improvised flashback features of Oracle Database 10g will be explored.

The above text is an excerpt from:

Easy Oracle Automation
Oracle10g Automatic Storage, Memory and Diagnostic Features

ISBN 0-9745993-6-0

by Dr. Arun Kumar R.

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